Abstract: A discharger includes a dispensing element and a housing, the housing having a static piston connected to the dispensing element at least in a fluid conducting manner and with the static piston being arranged within the housing. The further includes a container containing a fluid, the container being moveable relative to the static piston and the housing, with the static piston including a piercing tip adapted to pierce a membrane or seal of the container when the container is moved towards the housing.

Abstract: A double walled container for a manually operated discharger includes a compartment for a fluid and a longitudinal axis. The compartment is configured to be sealed off by at least one wall of the compartment, the at least one wall at least regionally peripherally extending around the longitudinal axis and by a seal at a front end of the container.

Abstract: A discharger includes a dispensing element and a housing. The housing has a static piston connected to the dispensing element at least in a fluid conducting manner. The static piston has a piercing tip and is arranged within the housing.